000 00333nam a2200133Ia 4500
005 20251003125737.0
008 251003s9999 xx 000 0 und d
082 _a621.382
100 _aR. R. Panko
245 0 _aBusinees Data Network & Telecommunication
260 _bPrentice-Hall
_aNew Delhi
_c2004
300 _a510
942 _cBK
999 _c38117
_d38117